Variability of bulk organic δ




НазваниеVariability of bulk organic δ
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Дата23.10.2012
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S: summer; W: winter; ‘Gr.’ shows different clustering groups of the POC samples.


Table 4 Results of the POC samples on the70 µm net (summer) and on the filter paper

Summer POC (70 µm net)

δ13C

C/N

Summer POC (filter paper)

δ13C

C/N

Winter POC (filter paper)

δ13C

C/N

PN50

-25.9

18.4

PS50

-23.4

7.6

PW50

-26.0

7.6

PN51

-25.8

14.6

PS51

-24.3

11.3

PW51

-25.2

7.5

PN52

-24.8

12.1

PS52

-23.6

10.2

PW52

-26.0

7.5

PN53

-24.4

12.5

PS53

-24.1

10.1

PW53

-26.0

7.3

PN56

-25.4

9.7

PS56

-24.8

9.2

PW56

-24.7

7.2

PN57

-25.1

12.7

PS57

-23.0

9.8

PW57

-24.0

9.9

PN63

-25.1

13.6

PS63

-23.3

8.0

PW63

-23.8

8.9

PN64

-25.1

13.8

PS64

-23.3

10.1

PW64

-23.9

8.4

PN72

-24.2

15.3

PS72

-25.6




PW72

-21.8

8.6

PN65

-27.2

5.7

PS65

-24.1

8.7

PW65

-23.6

7.3

PN67

-26.2

4.6

PS67

-24.7

9.6

PW67

-24.9

6.5

PN68

-27.0

6.5

PS68

-24.6

9.4

PW68

-25.1

6.8

PN71

-27.2

5.0

PS71

-26.1




PW71

-22.5

6.8

PN73




5.5

PS73

-25.7




PW73

-21.7

8.7

Ave.

-25.6

+10.7




-24.3

+9.5




-24.2

+7.8

SD

+1.0

+4.5




+1.0

+1.1




+1.5

+1.0

PS: summer plankton samples on filter paper; PW: winter plankton samples on filter paper; PN: summer plankton samples on a 70µm net; S.D.: standard deviation.


Table 5 Results of the surface sediment and environmental variables of the sampling sites (to be continued)

Gr.(n)

Sample ID

Long (ºE)

Lat(ºN)

δ13C (‰)

C/N

TOC (%)

TN(%)

Mean Sal. (‰)

Sand (%)

Clay (%)

Silt (%)

WD (m)




PE 17

113.57

22.95

-26.6

20.1

3.79

0.11

5.1

42.8

15.0

42.2

2.1




PE 18

113.55

23.00

-23.3

12.6

0.91

0.07

3.2

34.9

20.7

44.4

2.4

G1(4)

PE 19

113.52

23.05

-25.1

13.8

1.88

0.14

2.6

29.3

22.5

48.2

2.3




PE 20

113.48

23.10

-25.0

14.4

2.13

0.15

1.4

23.7

24.2

52.1

2.1

Ave.










-25.0±1.3

15.2±3.3

2.2±1.2

0.1±0.0

3.1±1.6

32.7±8.2

20.6±4.0

46.7±4.4

2.2±0.1




PE 16

113.58

22.88

-23.7

13.4

1.02

0.08

6.4

33.3

19.5

47.2

2.5




PE 15

113.62

22.82

-25.4

14.6

1.28

0.09

8.2

22.6

24.0

53.5

10.5




PE 14

113.65

22.77

-22.7

11.4

0.74

0.07

12.2

8.4

32.4

59.2

3.8




PE 10

113.64

22.68

-22.8

11.4

1.14

0.10

9.8

12.5

30.5

57.0

5.0




PE 09

113.67

22.63

-23.6

13.0

0.99

0.08

11.6

24.0

22.0

53.9

2.1




PE 11

113.58

22.76

-23.4

13.4

1.50

0.11

3.3

12.1

21.3

66.6

2.2

G2(14)

PE 12

113.54

22.78

-22.7

13.9

1.11

0.08

1.6

44.0

13.2

42.8

4.0




PE 13

113.49

22.80

-24.5

16.3

1.30

0.08

0.8

34.2

11.8

54.0

3.2




PE 41

113.53

22.77

-24.8

15.9

1.39

0.09

1.6

20.6

12.7

66.7

5.0




PE 42

113.44

22.80

-23.4

11.7

0.79

0.07

1.6

53.6

8.2

38.2

2.2




PE 44

113.37

22.88




10.5

0.28

0.03

0.4

67.4

10.3

22.3

2.2




PE 45

113.33

22.88




10.2

0.22

0.02

-0.2

65.6

7.3

27.1

1.8




PE 46

113.47

22.86

-23.0

12.8

1.37

0.11

-0.1

19.4

23.7

56.9

3.5




PE 47

113.36

22.78

-26.8

12.9

0.45

0.04

-0.1

53.1

11.9

35.0

3.8

Ave.










-23.9±1.2

13.0±1.8

1.0±0.4

0.1±0.0

4.1±4.6

33.6±20.0

17.8±8.1

48.6±13.8

3.7±2.2




PE 48

113.39

22.75

-22.0

10.7

0.98

0.09

0.4

24.8

20.7

54.5

2.3




PE 49

113.46

22.72

-21.9

9.2

1.03

0.11

0.4

11.7

23.3

65.0

2.9




PE 50

113.52

22.68

-26.7

11.4

1.41

0.12

1.0

8.3

30.7

61.0

3.2




PE 51

113.54

22.66

-22.6

10.9

0.75

0.07

1.0

27.2

19.6

53.2

5.2

G3(8)

PE 52

113.57

22.64

-23.8

13.4

0.52

0.04

2.0

20.5

12.9

66.6

4.1




PE 53

113.59

22.61

-22.0

10.7

1.14

0.11

3.0

1.7

25.7

72.7

7.1




PE 56

113.55

22.49

-22.2

10.0

0.77

0.08

6.5

20.6

27.2

52.2

3.5




PE 54

113.62

22.57

-22.9

12.3

1.54

0.13

3.9

6.6

22.6

70.8

6.0

Ave.










-23.0±1.6

11.1±1.3

1.0±0.3

0.1±0.0

2.3±2.1

15.2±9.3

22.8±5.4

62.0±8.0

4.3±1.7




PE 76

113.65

22.44

-24.0

10.8

1.49

0.14

2.5

14.9

23.9

61.2

7.1




PE 01

113.64

22.58

-24.2

17.5

1.02

0.06

6.0

32.9

12.8

54.3

4.4




PE 55

113.63

22.53

-23.9

17.1

1.40

0.08

7.0

55.8

7.3

37.0

8.0




PE 08

113.72

22.61

-24.1

12.7

1.51

0.12

14.5

19.9

25.4

54.7

2.8




PE 03

113.74

22.45

-23.1

11.5

1.17

0.10

19.9

22.3

26.1

51.6

5.0

G4(11)

PE 05

113.83

22.54

-23.3

12.3

1.32

0.11

23.4

18.9

29.1

52.0

4.0




PE 06

113.80

22.52

-23.5

14.6

1.27

0.09

20.3

16.8

28.2

55.0

5.8




PE 07

113.76

22.56

-23.5

17.7

1.13

0.06

17.2

30.8

17.8

51.4

4.8




PE 59

113.72

22.47

-23.4

10.5

1.34

0.13

16.0

12.7

23.9

63.4

15.0




PE 60

113.75

22.50

-24.2

14.9

0.66

0.04

19.3

63.2

8.6

28.2

18.0




PE 61

113.72

22.55

-27.0

15.1

0.38

0.03

14.0

42.5

17.9

39.5

16.0

Ave.










-24.0±1.1

14.1±2.7

1.2±0.4

0.1±0.0

14.5±6.7

30.1±17.1

20.1±7.7

49.8±10.7

8.3±5.4

‘Gr.(n)’ shows the number (n) of samples in each clustering groups (Gr.).


Table 5 Results of the surface sediment (groups) and environmental variables (continued)

Gr.(n)

Sample ID

Long (ºE)

Lat(ºN)

δ13C (‰)

C/N

TOC (%)

TN(%)

Mean Sal. (‰)

Sand (%)

Clay (%)

Silt (%)

WD (m)




PE 69

113.72

22.34

-23.1

9.9

1.23

0.12

20.8

12.5

33.3

54.1

13.5




PE 70

113.77

22.37

-23.6

12.0

1.38

0.12

24.1

15.7

31.3

53.0

20.0




PE 71

113.78

22.38

-23.8

11.6

0.95

0.08

24.0

15.8

28.4

55.8

13.0




PE 72

113.75

22.39

-22.0

9.9

0.96

0.10

17.9

16.8

30.5

52.8

15.0




PE 73

113.75

22.35

-22.9

10.3

1.13

0.11

20.3

18.4

28.9

52.7

15.0




PE 02

113.69

22.50

-23.7

11.7

1.69

0.14

11.9

24.6

28.6

46.8

6.9




PE 64

113.65

22.38

-23.2

9.9

1.27

0.13

13.5

36.0

11.1

53.0

7.0




PE 57

113.65

22.45

-22.7

10.7

1.35

0.13

10.7

13.3

29.8

57.0

7.0




PE 58

113.68

22.46

-23.2

11.4

1.26

0.11

12.0

12.5

29.2

58.3

10.0

G5(22)

PE 62

113.68

22.58




8.5

0.25

0.03

11.0

37.8

11.2

51.0

8.0




PE 63

113.66

22.45

-23.5

11.2

1.21

0.11

13.1

9.3

27.0

63.7

5.5




PE 75

113.68

22.49

-23.1

11.8

1.11

0.09

11.0

26.9

20.8

52.3

7.0




PE 77

113.68

22.49

-22.3

11.7

1.11

0.10

10.9

23.5

17.8

58.7

5.4




PE 65

113.62

22.33

-23.5

11.3

0.71

0.06

14.1

12.8

34.5

52.7

5.0




PE 66

113.60

22.29

-22.9

8.9

0.94

0.11

13.8

22.0

31.1

46.9

3.5




PE 67

113.64

22.31

-22.6

8.9

1.07

0.12

15.5

7.1

38.3

54.6

13.0




PE 68

113.68

22.32

-23.4

12.2

1.13

0.09

18.5

19.9

18.4

61.6

12.0




PE 74

113.70

22.36

-22.9

11.1

1.38

0.12

17.0

16.2

33.0

50.8

9.0




PE 78

113.60

22.25

-23.1

8.4

1.24

0.15

17.6

20.3

33.2

46.5

6.2




PE 79

113.65

22.25

-23.1

9.1

1.25

0.14

19.9

9.0

32.5

58.6

5.3




PE 80

113.70

22.25

-23.4

9.7

1.26

0.13

22.1

13.7

35.2

51.1

5.8




PE 81

113.60

22.19

-23.1

8.8

1.24

0.14

20.3

16.1

31.3

52.6

5.3

Ave.










-23.1±0.4

10.4±1.3

1.1±0.3

0.1±0.0

16.4±4.4

18.2±7.9

28.0±7.4

53.8±4.5

9.0±.4.3




PE 82

113.65

22.19

-22.9

9.4

1.13

0.12

23.0

16.9

28.2

54.9

7.0




PE 83

113.70

22.19

-23.2

9.6

1.16

0.12

25.9

14.7

29.7

55.6

6.0




PE 84

113.62

22.13

-23.3

9.4

1.23

0.13

24.3

15.4

29.5

55.1

6.8




PE 85

113.67

22.13

-22.9

9.7

0.90

0.09

27.4

19.6

25.2

55.2

8.5




PE 86

113.60

22.08

-23.4

10.3

1.50

0.15

28.8

17.1

28.7

54.2

6.0

G6 (11)

PE 87

113.65

22.08

-23.0

10.3

0.93

0.09

30.0

20.9

20.2

58.9

8.5




PE 88

113.77

22.25

-23.2

9.4

1.09

0.12

25.4

16.0

30.2

53.8

6.3




PE 89

113.76

22.19

-23.2

9.7

1.10

0.11

28.5

14.8

25.6

59.6

8.5




PE 90

113.75

22.13

-22.9

9.9

1.09

0.11

29.4

18.6

24.3

57.1

8.5




PE 91

113.73

22.08

-23.1

10.6

0.91

0.09

30.7

16.9

19.8

63.3

11.5




PE 92

113.80

22.10

-22.5

8.8

0.98

0.11

30.9

15.9

21.5

62.6

14.0

Ave.










-23.1±0.2

9.7±0.5

1.1±0.2

0.1±0.0

27.7±2.7

17.0±2.0

25.7±3.9

57.3±3.3

8.3±2.5




PE 29

114.08

22.23

-22.3

8.8

1.02

0.12

31.3

15.8

24.8

59.4

8.0




PE 30

114.12

22.25

-23.2

9.0

0.83

0.09

32.1

2.6

31.0

66.5

35.0




PE 31

114.02

22.26

-21.8

7.8

1.13

0.14

30.4

6.8

32.8

60.4

8.0




PE 32

113.96

22.22

-21.9

8.0

0.62

0.08

31.4

8.3

15.8

75.9

6.0




PE 33

114.10

22.32

-24.1

10.3

0.59

0.06

31.5

29.0

21.7

49.2

20.0




PE 34

113.98

22.35

-24.1

10.1

0.78

0.08

30.3

18.9

24.9

56.2

11.0

G7(13)

PE 39

113.93

22.46

-23.8

9.3

1.05

0.11

24.9

4.0

32.3

63.8

4.0




PE 40

113.96

22.48

-23.9

9.0

1.23

0.14

20.3

13.8

23.3

62.9

3.0




PE 35

113.95

22.36

-22.2

10.6

1.45

0.07

30.5

13.9

29.3

56.8

14.0




PE 36

113.90

22.32

-22.8

9.0

0.39

0.04

30.2

24.9

22.4

52.6

5.0




PE 37

113.90

22.38

-23.2

10.4

0.56

0.05

29.8

47.8

15.2

37.0

20.0




PE 04

113.83

22.46

-23.9

11.1

0.90

0.08

26.0

35.7

21.5

42.8

4.8




PE 38

113.89

22.43

-22.8

12.3

0.75

0.06

29.8

11.9

28.2

59.9

8.0

Ave.










-23.1±0.9

10.4±3.0

0.9±0.3

0.1±0.0

29.1±3.4

18.0±13.2

24.9±5.7

57.2±10.1

11.3±9.1




PE 25

114.27

22.24

-21.5

8.0

0.57

0.07

33.5

21.3

17.6

61.1

21.0




PE 26

114.23

22.21

-21.0

7.1

0.68

0.09

32.4

16.5

17.4

66.1

14.0

G8(4)

PE 27

114.18

22.22

-21.8

7.7

0.92

0.12

32.4

9.9

26.0

64.1

14.0




PE 28

114.08

22.19

-22.5

10.0

1.60

0.09

31.1

23.5

18.1

58.4

14.0

Ave.










-21.7±0.6

8.2±1.2

0.9±0.5

0.1±0.0

32.4±1.0

17.8±6.0

19.8±4.1

62.4±3.4

15.8±3.5




PE 21

114.45

22.37

-21.0

6.8

0.68

0.10

33.3

17.3

18.8

63.9

24.0




PE 22

114.45

22.29

-20.8

6.8

0.75

0.11

33.4

14.4

21.6

63.9

25.0

G9(4)

PE 23

114.45

22.22

-21.2

6.5

0.63

0.10

33.5

19.8

24.6

55.6

28.0




PE 24

114.32

22.20

-21.1

7.1

0.92

0.13

33.5

3.4

27.8

68.7

31.0

Ave.










-21.0±0.2

6.8±0.2

0.7±0.1

0.1±0.0

33.4±0.1

13,7±7.2

23.2±3.9

63.0±5.5

27.0±3.2

‘Gr.(n)’ shows the number (n) of samples in each clustering groups (Gr.).


Table 6 Spatial variation of the organic carbon signature and environmental conditions within the Pearl River estuary

Environment

δ13C (‰)

C/N

TOC (%)

TN (%)

Mean Sal. (‰)

Sand (%)

Clay (%)

Silt (%)

WD (m)

Freshwater (G1-G3)

-23.8±1.5

12.7±2.3

1.2±0.7

0.1±0.0

3.4±3.6

27.8±17.7

19.8±7.0

52.4±12.7

3.7±2.0

Fresh-brackish (G4-G5)

-23.4±0.8

11.6±2.5

1.1±0.3

0.1±0.0

15.8±5.3

22.1±12.8

25.3±8.3

52.5±7.2

8.8±4.6

Marine-brackish (G6-G7)

-23.1±0.6

9.7±1.0

1.0±0.3

0.1±0.0

28.4±3.1

17.5±9.7

25.3±4.9

57.2±7.7

9.9±6.9

Marine (G8-G9)

-21.4±0.5

7.5±1.1

0.8±0.3

0.1±0.0

32.9±0.8

15.8±6.5

21.5±4.2

62.7±4.2

21.4±6.8


Figures




Fig. 1




Fig. 2




Fig. 3




Fig. 4



Fig. 5




Fig. 6




Fig. 7



Fig. 8

1   2   3   4   5   6   7   8

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